<template>
  <view>
    <view
      class="record-btn"
      @longpress="startRecord"
      @touchstart="touchStart"
      @touchmove="touchMove"
      @touchend="endRecord"
      hover-class="record-btn-hover"
      hover-start-time="200"
      hover-stay-time="150"
      :style="[
        btnStyle,
        {
          '--btn-hover-fontcolor': btnHoverFontcolor,
          '--btn-hover-bgcolor': btnHoverBgcolor,
        },
      ]"
    >
      {{ btnTextContent }}
    </view>
    <view
      class="record-popup"
      :style="{
        '--popup-height': popupHeight,
        '--popup-width': upx2px(popupMaxWidth),
        '--popup-bottom': upx2px(popupFixBottom),
        '--popup-bg-color': popupBgColor,
      }"
    >
      <view class="inner-content" v-if="recordPopupShow">
        <view class="title">{{ popupTitle }}</view>
        <view
          class="voice-line-wrap"
          v-if="recording"
          :style="{
            '--line-height': upx2px(lineHeight),
            '--line-start-color': lineStartColor,
            '--line-end-color': lineEndColor,
          }"
        >
          <view class="voice-line one"></view>
          <view class="voice-line two"></view>
          <view class="voice-line three"></view>
          <view class="voice-line four"></view>
          <view class="voice-line five"></view>
          <view class="voice-line six"></view>
          <view class="voice-line seven"></view>
          <view class="voice-line six"></view>
          <view class="voice-line five"></view>
          <view class="voice-line four"></view>
          <view class="voice-line three"></view>
          <view class="voice-line two"></view>
          <view class="voice-line one"></view>
        </view>
        <view class="cancel-icon" v-if="!recording">+</view>
        <view class="tips">{{
          recording ? popupDefaultTips : popupCancelTips
        }}</view>
      </view>
    </view>
  </view>
</template>
<script>
var that
// #ifdef APP-PLUS || MP-WEIXIN
const recorderManager = uni.getRecorderManager()
// #endif

// #ifdef H5
import speech from '../../js_sdk/h5-speech/speech.js'

const recorderManager = new speech(8000)
// #endif

// #ifdef APP-PLUS
// 引入权限判断
import permision from '../../js_sdk/wa-permission/permission.js'
// #endif
export default {
  name: 'nbVoiceRecord',
  /**
   * 录音交互动效组件
   * @property {Object} recordOptions 录音配置
   * @property {Object} btnStyle 按钮样式
   * @property {Object} btnHoverFontcolor 按钮长按时字体颜色
   * @property {String} btnHoverBgcolor 按钮长按时背景颜色
   * @property {String} btnDefaultText 按钮初始文字
   * @property {String} btnRecordingText 录制时按钮文字
   * @property {Boolean} vibrate 弹窗时是否震动
   * @property {String} popupTitle 弹窗顶部文字
   * @property {String} popupDefaultTips 录制时弹窗底部提示
   * @property {String} popupCancelTips 滑动取消时弹窗底部提示
   * @property {String} popupMaxWidth 弹窗展开后宽度
   * @property {String} popupMaxHeight 弹窗展开后高度
   * @property {String} popupFixBottom 弹窗展开后距底部高度
   * @property {String} popupBgColor 弹窗背景颜色
   * @property {String} lineHeight 声波高度
   * @property {String} lineStartColor 声波波谷时颜色色值
   * @property {String} lineEndColor 声波波峰时颜色色值
   * @event {Function} startRecord 开始录音回调
   * @event {Function} endRecord 结束录音回调
   * @event {Function} cancelRecord 滑动取消录音回调
   * @event {Function} stopRecord 主动停止录音
   */
  props: {
    recordOptions: {
      type: Object,
      default() {
        return {
          duration: 600000,
        } // 请自行查看各端的的支持情况，这里全部使用默认配置
      },
    },
    btnStyle: {
      type: Object,
      default() {
        return {
          width: '100%',
          height: '100%',
          borderRadius: '20rpx',
          backgroundColor: 'rgba(0,0,0,0)',
          border: 'none',
          permisionState: false,
        }
      },
    },
    btnHoverFontcolor: {
      type: String,
      default: '#000', // 颜色名称或16进制色值
    },
    btnHoverBgcolor: {
      type: String,
      default: 'whitesmoke', // 颜色名称或16进制色值
    },
    btnDefaultText: {
      type: String,
      default: '按住 说话',
    },
    btnRecordingText: {
      type: String,
      default: '录音中',
    },
    vibrate: {
      type: Boolean,
      default: true,
    },
    popupTitle: {
      type: String,
      default: '正在录制音频',
    },
    popupDefaultTips: {
      type: String,
      default: '左右滑动后松手完成录音',
    },
    popupCancelTips: {
      type: String,
      default: '松手取消录音',
    },
    popupMaxWidth: {
      type: Number,
      default: 600, // 单位为rpx
    },
    popupMaxHeight: {
      type: Number,
      default: 300, // 单位为rpx
    },
    popupFixBottom: {
      type: Number,
      default: 200, // 单位为rpx
    },
    popupBgColor: {
      type: String,
      default: 'whitesmoke',
    },
    lineHeight: {
      type: Number,
      default: 50, // 单位为rpx
    },
    lineStartColor: {
      type: String,
      default: 'royalblue', // 颜色名称或16进制色值
    },
    lineEndColor: {
      type: String,
      default: 'indianred', // 颜色名称或16进制色值
    },
  },
  data() {
    return {
      stopStatus: true, // 是否已被父页面通知主动结束录音
      btnTextContent: this.btnDefaultText,
      startTouchData: {},
      popupHeight: '0px', // 这是初始的高度
      recording: true, // 录音中
      recordPopupShow: false,
      recordTimeout: null, // 录音定时器
    }
  },
  created() {
    that = this

    // 请求权限
    this.checkPermission()
    // #ifdef APP-PLUS || MP-WEIXIN
    recorderManager.onStop((res) => {
      // 判断是否用户主动结束录音
      if (that.recordTimeout !== null) {
        // 延时未结束，则是主动结束录音
        clearTimeout(that.recordTimeout)
        that.recordTimeout = null // 恢复状态
      }

      // 继续判断是否为取消录音
      if (that.recording) {
        that.$emit('endRecord', res)
      } else {
        // 用户向上滑动，此时松手后响应的是取消录音的回调
        that.recording = true // 恢复状态
        that.$emit('cancelRecord')
      }
    })

    recorderManager.onError((err) => {
      console.log('err:', err)
    })
    // #endif
  },
  computed: {},
  methods: {
    upx2px(upx) {
      return uni.upx2px(upx) + 'px'
    },
    async checkPermission() {
      // #ifdef APP-PLUS
      // 先判断os
      let os = uni.getSystemInfoSync().osName
      if (os == 'ios') {
        this.permisionState = await permision.judgeIosPermission('record')
      } else {
        this.permisionState = await permision.requestAndroidPermission(
          'android.permission.RECORD_AUDIO'
        )
      }
      if (this.permisionState !== true && this.permisionState !== 1) {
        uni.showToast({
          title: '请先授权使用录音',
          icon: 'none',
        })
        return
      }
      // #endif
      // #ifdef H5
      if (!window.navigator?.mediaDevices?.getUserMedia) {
        this.permisionState = true
        uni.showToast({
          title: '请先授权使用录音',
          icon: 'none',
        })
        return
      } else {
        this.permisionState = true
      }
      // #endif

      // #ifdef MP-WEIXIN
      uni.authorize({
        scope: 'scope.record',
        success(e) {
          this.permisionState = true
          // that.startRecord();
        },
        fail() {
          uni.showToast({
            title: '请授权使用录音',
            icon: 'none',
          })
        },
      })
      // #endif
    },

    startRecord() {
      if (!this.permisionState) {
        this.checkPermission()
        return
      }
      this.stopStatus = false
      setTimeout(() => {
        this.popupHeight = this.upx2px(this.popupMaxHeight)
        setTimeout(() => {
          this.recordPopupShow = true
          this.btnTextContent = this.btnRecordingText
          if (this.vibrate) {
            // #ifdef APP-PLUS
            // 震动
            plus.device.vibrate(35)
            // #endif
            // #ifdef MP-WEIXIN
            uni.vibrateShort()
            // #endif
          }
          // 开始录音
          recorderManager.start(this.recordOptions)
          // 设置定时器
          this.recordTimeout = setTimeout(
            () => {
              // 如果定时器先结束，则说明此时录音时间超限
              this.stopRecord() // 结束录音动画（实际上录音的end回调已经先执行）
              this.recordTimeout = null // 重置
            },
            this.recordOptions.duration ? this.recordOptions.duration : 600000
          )

          this.$emit('startRecord')
        }, 100)
      }, 200)
    },
    endRecord() {
      var that = this
      if (this.stopStatus) {
        return
      }
      this.popupHeight = '0px'
      this.recordPopupShow = false
      this.btnTextContent = this.btnDefaultText
      // #ifdef APP-PLUS || MP-WEIXIN
      recorderManager.stop()
      // #endif
      // #ifdef H5
      const res = recorderManager.stop()
      if (that.recordTimeout !== null) {
        // 延时未结束，则是主动结束录音
        clearTimeout(that.recordTimeout)
        that.recordTimeout = null // 恢复状态
      }

      // 继续判断是否为取消录音
      if (that.recording) {
        that.$emit('endRecord', res)
      } else {
        // 用户向上滑动，此时松手后响应的是取消录音的回调
        that.recording = true // 恢复状态
        that.$emit('cancelRecord')
      }
      // #endif
    },
    stopRecord() {
      // 用法如你录音限制了时间，那么将在结束时强制停止组件的显示
      this.endRecord()
      this.stopStatus = true
    },
    touchStart(e) {
      this.startTouchData.clientX = e.changedTouches[0].clientX //手指按下时的X坐标
      this.startTouchData.clientY = e.changedTouches[0].clientY //手指按下时的Y坐标
    },
    touchMove(e) {
      let touchData = e.touches[0] //滑动过程中，手指滑动的坐标信息 返回的是Objcet对象
      let moveX = touchData.clientX - this.startTouchData.clientX
      let moveY = touchData.clientY - this.startTouchData.clientY
      if (moveY < -50) {
        if (this.vibrate && this.recording) {
          // #ifdef APP-PLUS
          plus.device.vibrate(35)
          // #endif
          // #ifdef MP-WEIXIN
          uni.vibrateShort()
          // #endif
        }
        this.recording = false
      } else {
        this.recording = true
      }
    },
  },
}
</script>
<style lang="scss">
.record-btn {
  color: #000;
  font-size: 24rpx;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: 0.25s all;
  border: 1rpx solid whitesmoke;
}

.record-btn-hover {
  color: var(--btn-hover-fontcolor) !important;
  background-color: var(--btn-hover-bgcolor) !important;
}

.record-popup {
  position: absolute;
  bottom: var(--popup-bottom);
  left: calc(50vw - calc(var(--popup-width) / 2));
  z-index: 1;
  width: var(--popup-width);
  height: var(--popup-height);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 10rpx;
  box-shadow: 0 2rpx 4rpx rgba(0, 0, 0, 0.1);
  background: var(--popup-bg-color);
  color: #000;
  transition: 0.2s height;

  .inner-content {
    height: var(--popup-height);
    font-size: 24rpx;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-between;

    .title {
      font-weight: bold;
      padding: 20rpx 0;
    }

    .tips {
      color: #999;
      padding: 20rpx 0;
    }
  }
}

.cancel-icon {
  width: 100rpx;
  height: 100rpx;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 44rpx;
  line-height: 44rpx;
  background-color: pink;
  border-radius: 50%;
  transform: rotate(45deg);
}

.voice-line-wrap {
  display: flex;
  align-items: center;

  .voice-line {
    width: 5rpx;
    height: var(--line-height);
    border-radius: 3rpx;
    margin: 0 5rpx;
  }

  .one {
    animation: wave 0.4s 1s linear infinite alternate;
  }

  .two {
    animation: wave 0.4s 0.9s linear infinite alternate;
  }

  .three {
    animation: wave 0.4s 0.8s linear infinite alternate;
  }

  .four {
    animation: wave 0.4s 0.7s linear infinite alternate;
  }

  .five {
    animation: wave 0.4s 0.6s linear infinite alternate;
  }

  .six {
    animation: wave 0.4s 0.5s linear infinite alternate;
  }

  .seven {
    animation: wave 0.4s linear infinite alternate;
  }
}

@keyframes wave {
  0% {
    transform: scale(1, 1);
    background-color: var(--line-start-color);
  }

  100% {
    transform: scale(1, 0.2);
    background-color: var(--line-end-color);
  }
}
</style>
